Despite the looming collapse of the public-private partnership behind the problem-plagued Purple Line light rail project, Maryland’s transportation agencies are pressing ahead with a separate P3 initiative to add four tolled Express Lanes to portions of the I-495 Capital Beltway and I-270 outside Washington, D.C.

7月17日，州运输部正式入围了所有四个P3团队，这些P3团队对高速公路项目表示兴趣，其中包括一项50年的通行收入收入特许权，以收回估计的110亿美元的建筑成本。

The Beltway/I-270 announcement comes less than a week before a state-imposed July 23 deadline for the Purple Line’s development joint venture to not implement its planned mid-August departure from the troubled $2-billion rail project across the Maryland suburbs of Washington, D.C..

Last month, Purple Line Transit Partners (PLTP), which includes Fluor Corp., Meridiam and Star America as equity partners, claimed that repeated lawsuits, permit issues and other complications that have delayed the project by more than a year were beyond the joint venture’s control, clearing the way for the consortium to terminate its P3 agreement as of Aug. 23.

PLTP的终止日期与以前宣布的由荧光灯领导的紫色线建筑合作伙伴设计建造团队出发，该团队在五月中旬宣布，这在证明其自身退出该项目时也引用了类似的问题。

Maryland counters that PLTP’s withdrawal would be tantamount to default, and that the joint venture remains obligated to either keep the current construction team on the job or find a qualified replacement. Despite the public acrimony, all sides reportedly have spent the last several weeks attempting to resolve the dispute through negotiation.

Construction activity also has continued along the 16.2-mile route, although the design-build team promised to secure all work sites prior to departing the project.

执行紫色线P3的困难使许多州议员和地方领导人谨慎尝试采取类似的方法扩大位于密集开发的走廊的两条远程旅行的区域高速公路，并与弗吉尼亚州合作扩大了现有的波托马克河交叉口。

该项目的环境影响声明在7月10日发表了公众评论，该声明没有预测对冠状病毒爆发引起的交通量或通行收入的影响。马里兰州民族资本计划委员会还指责该文件的行为不足以解决该项目的环境，雨水和社会正义方面。

Formal proposals for the Beltway and I-270 expansion projects are to be submitted in early 2021, after which MDOT will select a preferred development team. Design and construction would get underway following a NEPA record of decision.

Jonathan Gifford, director of the Center for Transportation Public-Private Partnership Policy at George Mason University in Fairfax, Va., notes project risk differences.

他说：“收入确实很重要。环城公路/I-270收费车道有可能在很大程度上或完全自我支持，这可能会吸引不同的开发人员进入桌面。”“这两个项目之间的风险确实很大。我敢肯定，马里兰州在其收费项目的采购策略中考虑了紫色线的课程。”18luck官网

吉福德说：“通行权风险有所不同。紫色线几乎完全位于新的通行权上，越过敏感区域。野外道路虽然要少得多，但虽然不是零。创新设计可能有助于减少右 -此外，需要进一步。此外，开发商的收入风险与国家对紫色线路的财务风险相同。”

他还说HIghway操作和管理风险与Transit O＆M风险“非常不同”。“紫色线必须考虑铁路车辆；环道没有。"

The four shortlisted teams for the Beltway and I-270 expansion are:

• 加速马里兰州的合作伙伴

首席开发人员/权益：Itinera基础架构和优惠

首席承包商：Halmar International和Itinera

设计师：阿特金斯北美和甘内特·弗莱明

• Accelerate Maryland Partners

Lead developer/equity: Transurban (USA) Operations and Macquarie Infrastructure Developments

首席承包商：弓箭手西方建筑

设计师：Dewberry工程师和Stantec咨询服务

• Capital Express流动合作伙伴

首席开发商/权益：Cintra Global，Meridiam Capital Express和John Laing Investments Ltd.

首席承包商Ferrovial Agroman US

设计师:艾奕康科技技术就是ces

• 波托马克移动小组

Lead Project Developer / Equity: ACS Infrastructure Development, Inc.